Propagation characteristics of longitudinal ultrasonic guided waves of steel rod embedded in infinite medium are studied in theory.
从理论上分析高频纵向超声导波在埋于无限大介质中钢杆传播的特性。
This paper introduces two methods of ultrasonic characterization of thin layers: longitudinal pulse-echo and Lamb waves.
介绍了两种常用的材料薄层超声表征方法———纵波脉冲回波法和兰姆波法。
Our theoretical analysis produces the dispersion curves of longitudinal modes of ultrasonic guided waves in liquid-filled pipes with viscoelastic coatings.
理论分析得到了带粘弹性包覆层充液管道中纵向模态的频散曲线。
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